Electromagnetic shielding film laminating device

Abstract

The utility model relates to the field of electromagnetic shielding films, in particular to an electromagnetic shielding film laminating device which comprises a base and a circuit board, the bottom of the base is in threaded connection with an adjusting screw, the bottom of the adjusting screw is rotatably provided with a disc through a bearing, the upper end face of the disc is provided with main position frames in a front-back symmetry mode, and the upper end face of the disc is provided with side position frames in a left-right symmetry mode. The main position frame and the side position frame are connected with the base in a sliding fit mode, a circuit board is installed on the upper end face of the base, a fixing cavity is formed in the upper end face of the main position frame, adjusting springs are symmetrically installed on the left side wall and the right side wall in the fixing cavity, adjusting sliding blocks are installed at the inner side ends of the adjusting springs, and scraping plates are arranged on the upper end faces of the adjusting sliding blocks. According to the utility model, the main position frame and the side position frame are adopted, so that the circuit board can be positioned and fixed, the deviation during film pasting is avoided, and the scraping plate structure is adopted, so that the circuit board is subjected to bubble removal treatment, and the influence of bubbles on the attractive appearance and the protection effect is avoided.

Description

Technical Field

[0001] The utility model relates to the field of electromagnetic shielding films, in particular to an electromagnetic shielding film coating device. Background Art

[0002] The electromagnetic shielding film can effectively suppress electromagnetic interference and prevent the flexible circuit board from being oxidized. At the same time, it can also effectively reduce the signal attenuation of the flexible circuit board, making the flexible circuit board more stable when transmitting signals.

[0003] A Chinese patent discloses an electromagnetic shielding film laminating device (authorization announcement number CN 219145760 U). This patented technology can solve the problem that during the laminating process, the electromagnetic shielding film and the flexible circuit board cannot be aligned up and down, resulting in incomplete lamination of the electromagnetic shielding film and the flexible circuit board, thus affecting the subsequent processing and use of the flexible circuit board.

[0004] However, the existing circuit boards lack dust removal structures before lamination, which makes the surface uneven if there is dust, and lack bubble removal treatment after lamination, which affects the appearance and use effect. Summary of the invention

[0005] In order to solve the above technical problems, the utility model provides an electromagnetic shielding film coating device, including a base and a circuit board, an adjusting screw is screwed on the bottom of the base, a disk is rotatably installed on the bottom of the adjusting screw through a bearing, a main frame is symmetrically installed on the front and rear ends of the upper end surface of the disk, and a side frame is symmetrically installed on the left and right ends of the upper end surface of the disk, the main frame and the side frame are connected to the base by sliding cooperation, a circuit board is installed on the upper end surface of the base, a fixed cavity is installed on the upper end surface of the main frame, and adjusting springs are symmetrically installed on the left and right side walls of the fixed cavity, an adjusting slider is installed on the inner end of the adjusting spring, and a scraper is arranged on the upper end surface of the adjusting slider.

[0006] Preferably, the front end of the scraper is rotatably connected to the front adjusting slider via a pin, a connecting block is installed on the upper end surface of the rear adjusting slider, and the rear end of the scraper is connected to the connecting block by a snap connection.

[0007] Preferably: an annular sleeve is installed on the upper end surface of the side frame, an air outlet is installed on the inner wall of the annular sleeve, a connecting hose is installed on the left end surface of the air outlet, and a fixed fan is installed on the left end surface of the connecting hose.

[0008] Preferably, the annular sleeve is connected to the side frame by means of a clamping connection, and the connecting hose is a threaded spring structure.

[0009] Preferably, the outer side wall of the disc is connected to the left and right inner side walls of the base by means of sliding fit.

[0010] Preferably: a lamp holder is installed on the upper end surface of the base, and a lighting lamp is installed on the left end surface of the lamp holder.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model adopts a main frame and a side frame structure, so that the circuit board can be positioned and fixed to avoid displacement during film application. A scraper structure is also adopted to remove bubbles from the circuit board to avoid bubbles affecting the appearance and protective effect.

[0013] 2. The utility model adopts a fixed motor and an air outlet structure to remove dust from the surface of the circuit board, thereby preventing the surface of the circuit board from being uneven after the film is applied due to dust, thereby affecting the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of the structure of an electromagnetic shielding film coating device provided in an embodiment of the present application;

[0015] Figure 2 It is a structural top view of an electromagnetic shielding film coating device provided in an embodiment of the present application;

[0016] Figure 3 It is a sectional front view of an electromagnetic shielding film coating device provided in an embodiment of the present application;

[0017] Figure 4 is a cross-sectional top view of an electromagnetic shielding film coating device provided in an embodiment of the present application;

[0018] Figure 5 The present invention provides an electromagnetic shielding film coating device. Figure 2 A magnified image of area A;

[0019] In the figure: 1. base; 2. circuit board; 11. adjusting screw; 12. disc; 13. main frame; 14. side frame; 15. fixing chamber; 16. adjusting spring; 17. scraper; 18. connecting block; 19. annular sleeve; 21. connecting hose; 22. fixing fan; 23. lamp holder; 24. lighting lamp. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The invention of the present invention is given for the purpose of illustration and description, and is not intended to be exhaustive or to limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The invention is selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various inventions with various modifications suitable for specific purposes.

[0021] See also Figures 1 to 5 In this embodiment, an electromagnetic shielding film coating device is provided, including a base 1 and a circuit board 2. An adjusting screw 11 is screwed at the bottom of the base 1. A disc 12 is rotatably installed at the bottom of the adjusting screw 11 through a bearing. A main frame 13 is symmetrically installed on the upper end surface of the disc 12. A side frame 14 is symmetrically installed on the upper end surface of the disc 12. The main frame 13 and the side frame 14 are connected to the base 1 by sliding cooperation. The circuit board 2 is installed on the upper end surface of the base 1. A fixed cavity 15 is installed on the upper end surface of the main frame 13. The left and right side walls of the fixed cavity 15 are An adjusting spring 16 is symmetrically installed, an adjusting slider is installed on the inner end of the adjusting spring 16, and a scraper 17 is arranged on the upper end surface of the adjusting slider. When working, the circuit board 2 is placed on the base 1, and the adjusting screw 11 is rotated to drive the main frame 13 and the side frame 14 to move up, so as to position and fix the circuit board 2, and then the electromagnetic shielding film is covered and laminated to the circuit board 2, and the scraper 17 is held and driven to move outward, so as to remove bubbles from the circuit board 2 to avoid bubbles affecting the aesthetics and protective effects. The adjusting spring 16 plays a role in resetting the scraper 17.

[0022] The front end of the scraper 17 is rotatably connected to the front adjusting slider via a pin shaft, and a connecting block 18 is installed on the upper end surface of the rear adjusting slider. The rear end of the scraper 17 is connected to the connecting block 18 by a snap-fitting manner. When working, the snap-fitting manner is adopted to facilitate the rotation and opening of the scraper 17, so as to place the circuit board 2.

[0023] An annular sleeve 19 is installed on the upper end face of the side frame 14, an air outlet is installed on the inner wall of the annular sleeve 19, a connecting hose 21 is installed on the left end face of the air outlet, and a fixed fan 22 is installed on the left end face of the connecting hose 21. When working, before the circuit board 2 is filmed, the fixed fan 22 is started, and cold air is discharged through the air outlet through the connecting hose 21, so as to remove dust from the surface of the circuit board 2 to prevent dust from causing unevenness on the surface of the circuit board 2 after filming, which affects the use effect.

[0024] The annular sleeve 19 is connected to the side frame 14 by a snap-fitting manner, and the connecting hose 21 is a threaded spring structure. When working, the snap-fitting manner is adopted to facilitate the removal of the air outlet for precise dust removal, thereby improving the dust removal effect. The threaded structure is adopted to prevent the connecting hose 21 from being entangled and knotted.

[0025] The outer wall of the disk 12 is connected to the left and right side walls of the base 1 by sliding fit. During operation, the sliding fit is adopted to ensure the stability of the main frame 13 and the side frame 14 when they move up and down.

[0026] A lamp holder 23 is installed on the upper end surface of the base 1 , and a lighting lamp 24 is installed on the left end surface of the lamp holder 23 . When working, the lighting lamp 24 structure is used to facilitate lighting processing in a dim environment, so as to observe the film-attaching condition of the circuit board 2 .

[0027] During specific work, the circuit board 2 is placed on the base 1, and the adjusting screw 11 is rotated to drive the main frame 13 and the side frame 14 to move upward, so as to position and fix the circuit board 2, and the fixed fan 22 is started, and the cold air is discharged through the air outlet through the connecting hose 21, so as to remove dust from the surface of the circuit board 2 to prevent the surface of the circuit board 2 from being uneven after the film is pasted due to dust, thereby affecting the use effect, and then the electromagnetic shielding film is covered and pasted on the circuit board 2, and the scraper 17 is held and moved outward, so as to remove bubbles from the circuit board 2 to prevent bubbles from affecting the appearance and protection effect, and the adjusting spring 16 plays a role in resetting the scraper 17.

[0028] Obviously, the invention described is only a part of the invention of the utility model, not the whole invention. Based on the invention in the utility model, all other inventions obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the utility model. The structures, devices and operating methods not specifically described and explained in the utility model shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An electromagnetic shielding film coating device, comprising a base (1) and a circuit board (2), characterized in that: The bottom of the base (1) is screwed with an adjusting screw rod (11), the bottom of the adjusting screw rod (11) is rotatably mounted with a disk (12) via a bearing, a main frame (13) is symmetrically mounted on the upper end surface of the disk (12), and a side frame (14) is symmetrically mounted on the upper end surface of the disk (12), the main frame (13) and the side frame (14) are both connected to the base (1) by means of sliding fit, a circuit board (2) is mounted on the upper end surface of the base (1), a fixed cavity (15) is mounted on the upper end surface of the main frame (13), and an adjusting spring (16) is symmetrically mounted on the left and right side walls of the fixed cavity (15), an adjusting slider is mounted on the inner end of the adjusting spring (16), and a scraper (17) is arranged on the upper end surface of the adjusting slider.

2. The electromagnetic shielding film coating device according to claim 1, characterized in that The front end of the scraper (17) is rotatably connected to the front adjusting slider via a pin, a connecting block (18) is installed on the upper end surface of the rear adjusting slider, and the rear end of the scraper (17) is connected to the connecting block (18) by a snap-fitting manner.

3. The electromagnetic shielding film coating device according to claim 1, characterized in that: An annular sleeve (19) is installed on the upper end surface of the side frame (14), an air outlet is installed on the inner wall of the annular sleeve (19), a connecting hose (21) is installed on the left end surface of the air outlet, and a fixed fan (22) is installed on the left end surface of the connecting hose (21).

4. The electromagnetic shielding film coating device according to claim 3, characterized in that: The annular sleeve (19) and the side frame (14) are connected by means of a clamping connection, and the connecting hose (21) is a threaded spring structure.

5. The electromagnetic shielding film coating device according to claim 2, characterized in that: The outer side wall of the disk (12) is connected to the left and right inner side walls of the base (1) by means of sliding fit.

6. The electromagnetic shielding film coating device according to claim 1, characterized in that: A lamp holder (23) is installed on the upper end surface of the base (1), and an illuminating lamp (24) is installed on the left end surface of the lamp holder (23).

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